Finding the Fourth Proportional to 492,589.97, 738,916.11 and 208,227.53
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Solution
The fourth proportional to 492,589.97, 738,916.11 and 208,227.53 is: 312,354.46
Step by Step Solution
- Step 1: Write the proportion equation
492,589.97 : 738,916.11 = 208,227.53 : x - Step 2: Convert to fraction form
492,589.97/738,916.11 = 208,227.53/x - Step 3: Cross multiply
492,589.97x = 738,916.11 × 208,227.53 - Step 4: Simplify right side
492,589.97x = 153,862,672,767.93 - Step 5: Solve for x
x = 153,862,672,767.93/492,589.97 - Step 6: Final answer
x = 312,354.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.